Victron Energy Smart Battery Sense wireless voltage & temperature sensor — Bluetooth, 12/24/48V accuracy

Victron Energy Smart Battery Sense is a compact wireless voltage and temperature sensor that gives your Victron MPPT solar chargers accurate battery readings for improved charging performance.

Designed for 12V, 24V and 48V battery banks, the Smart Battery Sense wirelessly relays real-time battery voltage and temperature to one or more Victron MPPT solar chargers using the VE.Smart Network (Bluetooth Smart). Easy to install and configure via the VictronConnect app, it helps the charger adapt charging parameters to the battery’s actual condition without running long sense wires back to the charger.

How does Smart Battery Sense improve charging accuracy?

The sensor measures battery voltage directly at the battery terminals and monitors temperature on the battery surface. These inputs allow the MPPT charger to correct voltage drop and apply temperature compensation so charging is aligned with the battery’s actual state.

• Direct battery terminal voltage measurement avoids conductor voltage drop errors.
• Temperature compensation prevents over- or under-charging in cold or hot conditions.
• Multiple chargers can use the same sensor data to keep charge strategies synchronized.

How do I install and connect the sensor?

Installation is quick: attach the two eyelet terminals to the battery terminals and fix the sensor body to the battery case with the included adhesive strip. Pairing and network setup are handled inside the VictronConnect app, which guides you through connecting the sensor to one or more MPPT chargers.

• Eyelet leads bolt directly to battery positive and negative posts.
• Self-adhesive backing secures the sensor to the battery for accurate temperature readings.
• VictronConnect provides step‑by‑step pairing and shows live voltage and temperature readings.

Can multiple chargers use one Smart Battery Sense?

Yes — the Smart Battery Sense broadcasts readings over the VE.Smart Network, so several compatible MPPT chargers on the same battery bank can receive the same voltage and temperature data. This keeps all connected chargers aligned, even in multi-charger setups.

• Supports simultaneous use by one or more Victron MPPT solar chargers.
• Works across 12V, 24V and 48V systems when chargers share the battery bank.
• No extra wiring between chargers is required; data is shared wirelessly.

What maintenance and compatibility should I expect?

The Smart Battery Sense is maintenance‑free after installation; occasional checks ensure the adhesive and eyelet connections remain secure and corrosion-free. It is compatible with Victron MPPT solar chargers that support VE.Smart Network communication—consult product specifications or the VictronConnect app to confirm compatibility.

• Inspect eyelet connections periodically for tightness and cleanliness.
• Replace adhesive if the sensor shifts or loses contact with the battery case.
• Use VictronConnect to confirm firmware compatibility and firmware updates.

Who is this for? The Victron Energy Smart Battery Sense suits boaters, RV owners, off‑grid homeowners and solar installers who want precise battery monitoring without running long sense wires. It’s ideal when chargers are remote from the battery bank or when multiple MPPT chargers share a single battery system and need synchronized, accurate voltage and temperature data to optimize charging behavior.